#ifndef LIBRARY_DATA_ACHIEVE_H
#define LIBRARY_DATA_ACHIEVE_H
#include"Classbook.h"
#include"Library_data.h"
#include"User.h"

using namespace std;

namespace LB
{
	class Library_data_achieve:public Library_data 
	{
	public:
		void loadbook(vector<Classbook>& v_classbooks) ;
		void savebook(vector<Classbook>& v_classbooks) ;
		void loadusers(vector<User>& v_users) ;
		void saveusers(vector<User>& v_users) ;
		

	};
}
#endif